@article{fdi:010073899, title = {{B}iodiversity loss along a gradient of deforestation in {A}mazonian agricultural landscapes}, author = {{D}eca{\¨e}ns, {T}. and {M}artins, {M}.{B}. and {F}eijoo, {A}. and {O}szwald, {J}. and {D}ol{\'e}dec, {S}. and {M}athieu, {J}. and {A}rnaud de {S}astre, {X}. and {B}onilla, {D}. and {B}rown, {G}.{G}. and {C}uellar {C}riollo, {Y}.{A}. and {D}ubs, {F}lorence and {F}urtado, {I}.{S}. and {G}ond, {V}. and {G}ordillo, {E}. and {L}e {C}lec'h, {S}. and {M}arichal, {R}. and {M}itja, {D}anielle and {D}e {S}ouza, {I}.{M}. and {P}raxedes, {C}. and {R}ougerie, {R}. and {R}uiz, {D}.{H}. and {T}upac {O}tero, . and {S}anabria, {C}. and {V}elasquez, {A}. and {Z}ararte, {L}.{E}.{M}. and {L}avelle, {P}atrick}, editor = {}, language = {{ENG}}, abstract = {{A}ssessing how much management of agricultural landscapes, in addition to protected areas, can offset biodiversity erosion in the tropics is a central issue for conservation that still requires cross-taxonomic and landscape-scale studies. {W}e measured the effects of {A}mazonia deforestation and subsequent land-use intensification in 6 agricultural areas (landscape scale), where we sampled plants and 4 animal groups (birds, earthworms, fruit flies, and moths). {W}e assessed land-use intensification with a synthetic index based on landscape metrics (total area and relative percentages of land uses, edge density, mean patch density and diversity, and fractal structures at 5 dates from 1990 to 2007). {S}pecies richness decreased consistently as agricultural intensification increased despite slight differences in the responses of sampled groups. {G}lobally, in moderately deforested landscapes species richness was relatively stable, and there was a clear threshold in biodiversity loss midway along the intensification gradient, mainly linked to a drop in forest cover and quality. {O}ur results suggest anthropogenic landscapes with high-quality forest covering >40 % of the surface area may prevent biodiversity loss in {A}mazonia.}, keywords = {{AMAZONIE} ; {BRESIL} ; {COLOMBIE}}, booktitle = {}, journal = {{C}onservation {B}iology}, volume = {32}, numero = {6}, pages = {1380--1391}, ISSN = {0888-8892}, year = {2018}, DOI = {10.1111/cobi.13206}, URL = {https://www.documentation.ird.fr/hor/fdi:010073899}, }